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In automotive steel wheel fatigue tests, the dynamic bending fatigue life test is the most important durability test of wheel prototype verification. In this paper, an economic and practical method is proposed to simulate wheel bending fatigue test and to predict the fatigue life. The proposed method is based on finite element analysis and continuum damage mechanics. To simulate the actual fatigue...
The rear axle is one of the key parts of the automobile, lots failure of rear axle resulted from fatigue failure of the spiral bevel gears. A new method is proposed to solve the problem of accurately predicting the fatigue life of spiral bevel gears in rear axle. The method uses the recurrence tracing and difference method to improve the autoregressive moving average (ARMA) model prediction accuracy,...
The simulated load spectrum is constituted for the automobile muffler structure using probabilistic random process with the measured load data. By applying obtained spectrum load and evaluating residual strength degradation and failure probability, its fatigue life is assessed on the basis of two parameter Weibull distribution. To determine the required strength degradation model parameters, experimental...
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